In hydrarch succession,the reed swamp stage comes immediately after . . . . . . .

Choose the correct identification for the given stage of succession and the stage by which it is followed,respectively.

Identify the correct characteristic from the given statements.

The species that appear first in a bare area are called:

Which biome is characterized by moderate rainfall during summer?

The entire sequence of communities that successfully change in a given area is called $P$. The individual transitional communities are termed as $Q$.